140436063529 has 2 divisors, whose sum is σ = 140436063530. Its totient is φ = 140436063528.

The previous prime is 140436063457. The next prime is 140436063557. The reversal of 140436063529 is 925360634041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140436063504 + 25 = 374748^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 140436063529 - 2³³ = 131846128937 is a prime.

It is not a weakly prime, because it can be changed into another prime (140436063029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70218031764 + 70218031765.

It is an arithmetic number, because the mean of its divisors is an integer number (70218031765).

Almost surely, 2^140436063529 is an apocalyptic number.

It is an amenable number.

140436063529 is a deficient number, since it is larger than the sum of its proper divisors (1).

140436063529 is an equidigital number, since it uses as much as digits as its factorization.

140436063529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 140436063529 in words is "one hundred forty billion, four hundred thirty-six million, sixty-three thousand, five hundred twenty-nine".